重构会话管理，简化上下文存储逻辑

.opencode/tools/store_render_ref.ts

@@ -1,10 +1,7 @@
 import { tool } from "@opencode-ai/plugin";
-import { ToolSessionContextStore } from "../../src/session/toolContextStore.js";
 
 const internalBaseUrl = process.env.TJWATER_AGENT_INTERNAL_BASE_URL ?? "http://127.0.0.1:8787";
 const internalToken = process.env.TJWATER_AGENT_INTERNAL_TOKEN ?? "";
-const toolContextStore = new ToolSessionContextStore();
-const initializePromise = toolContextStore.initialize();
 
 export default tool({
   description:
@@ -20,11 +17,6 @@ export default tool({
       ),
   },
   async execute(args, context) {
-    await initializePromise;
-    const sessionContext = await toolContextStore.read(context.sessionID);
-    if (!sessionContext) {
-      throw new Error(`session context not found for ${context.sessionID}`);
-    }
     const response = await fetch(`${internalBaseUrl}/internal/tools/store-render-ref`, {
       method: "POST",
       headers: {
@@ -32,7 +24,7 @@ export default tool({
         "x-agent-internal-token": internalToken,
       },
       body: JSON.stringify({
-        sessionScopeKey: sessionContext.sessionScopeKey,
+        session_id: context.sessionID,
         file_path: args.file_path,
       }),
     });